1) Antimetabolite 2) Immune suppressant drug 3) Immunosuppressant 4) Immunosuppressive drug 5) Methotrexate 6) Methotrexate sodium 1) Methotrexate 
A drug used to treat some types of cancer, rheumatoid arthritis, and severe skin conditions, such as psoriasis. Amethopterin stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite. Also called methotrexate, MTX, and Rheumatrex.
Synonym for aminopterin ... <drug> A folic acid analogue and inhibitor of dihydrofolate reductase. A potent cytotoxic agent used in the treatment of acute leukaemia. ... (18 Nov 1997) ... 
See aminopterin.
Type: Term Pronunciation: ă-meth-ōp′ter′in Synonyms: methotrexate